nes-proj/lib/include/nvm.h
2010-03-02 09:51:58 -05:00

48 lines
1.3 KiB
C

#ifndef NVM_H
#define NVM_H
#include "types.h"
typedef enum
{
gNvmType_NoNvm_c,
gNvmType_SST_c,
gNvmType_ST_c,
gNvmType_ATM_c,
gNvmType_Max_c
} nvmType_t;
typedef enum
{
gNvmErrNoError_c = 0,
gNvmErrInvalidInterface_c,
gNvmErrInvalidNvmType_c,
gNvmErrInvalidPointer_c,
gNvmErrWriteProtect_c,
gNvmErrVerifyError_c,
gNvmErrAddressSpaceOverflow_c,
gNvmErrBlankCheckError_c,
gNvmErrRestrictedArea_c,
gNvmErrMaxError_c
} nvmErr_t;
typedef enum
{
gNvmInternalInterface_c,
gNvmExternalInterface_c,
gNvmInterfaceMax_c
} nvmInterface_t;
/* ROM code seems to be THUMB */
/* need to be in a THUMB block before calling them */
extern nvmErr_t (*nvm_detect)(nvmInterface_t nvmInterface,nvmType_t* pNvmType);
extern nvmErr_t (*nvm_read)(nvmInterface_t nvmInterface , nvmType_t nvmType , void *pDest, uint32_t address, uint32_t numBytes);
extern nvmErr_t (*nvm_write)(nvmInterface_t nvmInterface, nvmType_t nvmType ,void *pSrc, uint32_t address, uint32_t numBytes);
/* sector bit field selects which sector to erase */
/* SST flash has 32 sectors 4096 bytes each */
/* bit 0 is the first sector, bit 31 is the last */
extern nvmErr_t (*nvm_erase)(nvmInterface_t nvmInterface, nvmType_t nvmType ,uint32_t sectorBitfield);
extern void(*nvm_setsvar)(uint32_t zero_for_awesome);
#endif //NVM_H